http://www.dualshockers.com/2014/05/06/destiny-has-record-pre-orders-for-new-ip-breakthrough-game-showm-at-e3-with-great-partner-sony/
Activision, during a conference call, said they believe Destiny has already achieved record pre-orders for a new IP and will be showcased at E3 with Sony. Also, during the call it was revealed that the beta would be starting in July, though this may not be something Activision wanted known yet.